client/src/components/Chat/ChatWindow.css

/* ChatWindow styles */

.chat-window {
  display: flex;
  flex-direction: column;
  flex: 1;
  height: 0; /* allows flex children to scroll */
  min-height: 0;
  background-color: var(--color-bg);
  position: relative;
}

/* Connection status banner */
.connection-banner {
  background-color: var(--color-warning-light);
  color: var(--color-warning);
  border-bottom: 2px solid var(--color-warning);
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  padding: 12px 20px;
  flex-shrink: 0;
}

/* Scrollable message list */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  scroll-behavior: smooth;
}

/* Responsive max width for readability */
@media (min-width: 768px) {
  .chat-messages {
    padding: 28px 40px;
  }
}

/* Empty state */
.chat-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
}

.chat-empty__text {
  font-size: 22px;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 480px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  background-color: var(--color-white);
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0 4px;
  margin-bottom: 4px;
}

.typing-indicator__dots {
  display: flex;
  align-items: center;
  gap: 5px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 10px 16px;
  box-shadow: 0 1px 4px var(--color-shadow);
}

.typing-indicator__dots span {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-primary);
  animation: pulse 1.4s ease-in-out infinite;
}

.typing-indicator__dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator__dots span:nth-child(3) {
  animation-delay: 0.4s;
}

.typing-indicator__label {
  font-size: 17px;
  color: var(--color-text-light);
  font-style: italic;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.3; transform: scale(0.8); }
}